import java.util.ArrayList;
import java.util.HashMap;
import java.util.*;

/**
 * @auther zhouliangliang
 * @date 2025/5/27 16:33
 * @description
 */
public class FZ {
    public void t() {
        List<String> list = new ArrayList<>();
        Map<String, Integer> map = new HashMap<>();
        for(int i=0; i<list.size(); i++) {
            String str = list.get(i);
            String[] arr = str.split(";");
            String key = arr[0] + "_" +arr[1];
            if(map.containsKey(key)) {
                map.put(key, map.get(key) + 1);
            } else {
                map.put(key, 1);
            }
        }

        for(Map.Entry<String, Integer> entry: map.entrySet()) {
            int times = entry.getValue();
            if (times > 3) {
                System.out.println(entry.getKey());
            }
        }

    }
    public static void main(String[] args) {

    }
}
